package com.security.test.entity;

import com.alibaba.fastjson.annotation.JSONField;
import lombok.Data;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;

import java.util.Collection;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;

/**
 * @author songmin.hou
 */
@Data
public class MyUserDetail implements UserDetails {


    private User user;

    private String token;

    //存储用户权限集合
    List<String> roles;

    //存储SpringSecurity所需要的权限信息的集合
    @JSONField(serialize = false)
    private List<GrantedAuthority> authorities;

    @Override
    public Collection<? extends GrantedAuthority> getAuthorities() {
        if (authorities != null) {
            return authorities;
        }
        //字符串类型的权限信息转换成GrantedAuthority对象存入authorities中
        if (roles != null) {
            authorities = roles.stream().map(SimpleGrantedAuthority::new).collect(Collectors.toList());
        }
        return authorities;
    }

    @Override
    public String getPassword() {
        return user.getPassWord();
    }

    @Override
    public String getUsername() {
        return user.getUserName();
    }

    @Override
    public boolean isAccountNonExpired() {
        return true;
    }

    @Override
    public boolean isAccountNonLocked() {
        return true;
    }

    @Override
    public boolean isCredentialsNonExpired() {
        return true;
    }

    @Override
    public boolean isEnabled() {
        return true;
    }
}
